1 Chronicles 10:4

10:4 Saul told his armor bearer, “Draw your sword and stab me with it. Otherwise these uncircumcised people will come and torture me.” But his armor bearer refused to do it, because he was very afraid. So Saul took the sword and fell on it.

1 Chronicles 28:20

28:20 David said to his son Solomon: “Be strong and brave! Do it! Don’t be afraid and don’t panic! For the Lord God, my God, is with you. He will not leave you or abandon you before all the work for the service of the Lord’s temple is finished.